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16218102 = 2317247199
BaseRepresentation
bin111101110111…
…011111110110
31010111222001110
4331313133312
513122434402
61335335450
7254565045
oct75673766
933458043
1016218102
11917799a
125521586
13348ac14
14222255c
15165556c
hexf777f6

16218102 has 48 divisors (see below), whose sum is σ = 35366400. Its totient is φ = 4954752.

The previous prime is 16218101. The next prime is 16218107. The reversal of 16218102 is 20181261.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16218101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81399 + ... + 81597.

It is an arithmetic number, because the mean of its divisors is an integer number (736800).

Almost surely, 216218102 is an apocalyptic number.

16218102 is an abundant number, since it is smaller than the sum of its proper divisors (19148298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16218102 is a wasteful number, since it uses less digits than its factorization.

16218102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 16218102 is about 4027.1704706903. The cubic root of 16218102 is about 253.1240102994.

Adding to 16218102 its reverse (20181261), we get a palindrome (36399363).

The spelling of 16218102 in words is "sixteen million, two hundred eighteen thousand, one hundred two".

Divisors: 1 2 3 6 17 34 47 51 94 102 141 199 282 289 398 578 597 799 867 1194 1598 1734 2397 3383 4794 6766 9353 10149 13583 18706 20298 27166 28059 40749 56118 57511 81498 115022 159001 172533 318002 345066 477003 954006 2703017 5406034 8109051 16218102